]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/entry.c
declare overlays_init()
[openldap] / servers / slapd / entry.c
index 51d352fb1102c78fb23975cd16d8d5f646e81657..37c72c3cb2c9d05f162135228e9097ca6eec1109 100644 (file)
@@ -1,8 +1,27 @@
 /* entry.c - routines for dealing with entries */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2003 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
  */
 
 #include "portable.h"
@@ -24,7 +43,9 @@ static int            emaxsize;/* max size of ebuf                     */
 /*
  * Empty root entry
  */
-const Entry slap_entry_root = { NOID, { 0, "" }, { 0, "" }, NULL, 0, { 0, "" }, NULL };
+const Entry slap_entry_root = {
+       NOID, { 0, "" }, { 0, "" }, NULL, 0, { 0, "" }, NULL
+};
 
 int entry_destroy(void)
 {
@@ -43,9 +64,7 @@ str2entry( char *s )
        Entry           *e;
        char            *type;
        struct berval   vals[2];
-#ifdef SLAP_NVALUES
-       struct berval   nvals[2];
-#endif
+       struct berval   nvals[2], *nvalsp;
        AttributeDescription *ad;
        const char *text;
        char    *next;
@@ -66,9 +85,10 @@ str2entry( char *s )
         */
 
 #ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, DETAIL1, "str2entry: \"%s\"\n", s ? s : "NULL", 0, 0 );
+       LDAP_LOG( OPERATION, DETAIL1, "str2entry: \"%s\"\n",
+               s ? s : "NULL", 0, 0 );
 #else
-       Debug( LDAP_DEBUG_TRACE, "=> str2entry\n",
+       Debug( LDAP_DEBUG_TRACE, "=> str2entry: \"%s\"\n",
                s ? s : "NULL", 0, 0 );
 #endif
 
@@ -90,6 +110,7 @@ str2entry( char *s )
        e->e_id = NOID;
 
        /* dn + attributes */
+       vals[1].bv_len = 0;
        vals[1].bv_val = NULL;
 
        next = s;
@@ -126,7 +147,7 @@ str2entry( char *s )
                                return NULL;
                        }
 
-                       rc = dnPrettyNormal( NULL, &vals[0], &e->e_name, &e->e_nname );
+                       rc = dnPrettyNormal( NULL, &vals[0], &e->e_name, &e->e_nname, NULL );
                        if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
                                LDAP_LOG( OPERATION, DETAIL1, 
@@ -190,7 +211,7 @@ str2entry( char *s )
 
                        if( pretty ) {
                                rc = pretty( ad->ad_type->sat_syntax,
-                                       &vals[0], &pval );
+                                       &vals[0], &pval, NULL );
 
                        } else if( validate ) {
                                /*
@@ -217,12 +238,12 @@ str2entry( char *s )
                        if( rc != 0 ) {
 #ifdef NEW_LOGGING
                                LDAP_LOG( OPERATION, ERR, 
-                                       "str2entry:  invalid value for syntax %s\n",
-                                       ad->ad_type->sat_syntax->ssyn_oid, 0, 0 );
+                                       "str2entry:  invalid value for attribute %s (syntax %s)\n",
+                                       ad->ad_cname.bv_val, ad->ad_type->sat_syntax->ssyn_oid, 0 );
 #else
                                Debug( LDAP_DEBUG_ANY,
-                                       "str2entry: invalid value for syntax %s\n",
-                                       ad->ad_type->sat_syntax->ssyn_oid, 0, 0 );
+                                       "str2entry: invalid value for attribute %s (syntax %s)\n",
+                                       ad->ad_cname.bv_val, ad->ad_type->sat_syntax->ssyn_oid, 0 );
 #endif
                                entry_free( e );
                                free( vals[0].bv_val );
@@ -236,15 +257,40 @@ str2entry( char *s )
                        }
                }
 
-#ifdef SLAP_NVALUES
-               /* normalize here */
-#endif
+               nvalsp = NULL;
+               nvals[0].bv_val = NULL;
+
+               if( ad->ad_type->sat_equality &&
+                       ad->ad_type->sat_equality->smr_normalize )
+               {
+                       rc = ad->ad_type->sat_equality->smr_normalize(
+                               SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+                               ad->ad_type->sat_syntax,
+                               ad->ad_type->sat_equality,
+                               &vals[0], &nvals[0], NULL );
 
-               rc = attr_merge( e, ad, vals
-#ifdef SLAP_NVALUES
-                       , nvals
+                       if( rc ) {
+#ifdef NEW_LOGGING
+                               LDAP_LOG( OPERATION, DETAIL1,
+                                       "str2entry:  NULL (smr_normalize %d)\n" , rc, 0, 0 );
+#else
+                               Debug( LDAP_DEBUG_ANY,
+                                       "<= str2entry NULL (smr_normalize %d)\n", rc, 0, 0 );
 #endif
-                       );
+
+                               entry_free( e );
+                               free( vals[0].bv_val );
+                               free( type );
+                               return NULL;
+                       }
+
+                       nvals[1].bv_len = 0;
+                       nvals[1].bv_val = NULL;
+
+                       nvalsp = &nvals[0];
+               }
+
+               rc = attr_merge( e, ad, vals, nvalsp );
                if( rc != 0 ) {
 #ifdef NEW_LOGGING
                        LDAP_LOG( OPERATION, DETAIL1,
@@ -261,9 +307,7 @@ str2entry( char *s )
 
                free( type );
                free( vals[0].bv_val );
-#ifdef SLAP_NVALUES
                free( nvals[0].bv_val );
-#endif
        }
 
        /* check to make sure there was a dn: line */
@@ -276,7 +320,7 @@ str2entry( char *s )
                    (long) e->e_id, 0, 0 );
 #endif
                entry_free( e );
-               return( NULL );
+               return NULL;
        }
 
 #ifdef NEW_LOGGING
@@ -398,7 +442,7 @@ entry_free( Entry *e )
 int
 entry_cmp( Entry *e1, Entry *e2 )
 {
-       return( e1 < e2 ? -1 : (e1 > e2 ? 1 : 0) );
+       return SLAP_PTRCMP( e1, e2 );
 }
 
 int
@@ -406,9 +450,8 @@ entry_dn_cmp( const void *v_e1, const void *v_e2 )
 {
        /* compare their normalized UPPERCASED dn's */
        const Entry *e1 = v_e1, *e2 = v_e2;
-       int rc = e1->e_nname.bv_len - e2->e_nname.bv_len;
-       if (rc) return rc;
-       return( strcmp( e1->e_ndn, e2->e_ndn ) );
+
+       return ber_bvcmp( &e1->e_nname, &e2->e_nname );
 }
 
 int
@@ -418,8 +461,9 @@ entry_id_cmp( const void *v_e1, const void *v_e2 )
        return( e1->e_id < e2->e_id ? -1 : (e1->e_id > e2->e_id ? 1 : 0) );
 }
 
-#ifdef SLAPD_BDB
-
+#define entry_lenlen(l)        ((l) < 0x80) ? 1 : ((l) < 0x100) ? 2 : \
+       ((l) < 0x10000) ? 3 : ((l) < 0x1000000) ? 4 : 5
+#if 0
 /* This is like a ber_len */
 static ber_len_t
 entry_lenlen(ber_len_t len)
@@ -434,6 +478,7 @@ entry_lenlen(ber_len_t len)
                return 4;
        return 5;
 }
+#endif
 
 static void
 entry_putlen(unsigned char **buf, ber_len_t len)
@@ -471,6 +516,52 @@ entry_getlen(unsigned char **buf)
        return len;
 }
 
+/* Add up the size of the entry for a flattened buffer */
+void entry_flatsize(Entry *e, ber_len_t *psiz, ber_len_t *plen, int norm)
+{
+       ber_len_t siz = sizeof(Entry);
+       ber_len_t len, dnlen, ndnlen;
+       int i;
+       Attribute *a;
+
+       dnlen = e->e_name.bv_len;
+       len = dnlen + 1;        /* trailing NUL byte */
+       len += entry_lenlen(dnlen);
+       if (norm) {
+               ndnlen = e->e_nname.bv_len;
+               len += ndnlen + 1;
+               len += entry_lenlen(ndnlen);
+       }
+       for (a=e->e_attrs; a; a=a->a_next) {
+               /* For AttributeDesc, we only store the attr name */
+               siz += sizeof(Attribute);
+               len += a->a_desc->ad_cname.bv_len+1;
+               len += entry_lenlen(a->a_desc->ad_cname.bv_len);
+               for (i=0; a->a_vals[i].bv_val; i++) {
+                       siz += sizeof(struct berval);
+                       len += a->a_vals[i].bv_len + 1;
+                       len += entry_lenlen(a->a_vals[i].bv_len);
+               }
+               len += entry_lenlen(i);
+               siz += sizeof(struct berval);   /* empty berval at end */
+               if (norm && a->a_nvals != a->a_vals) {
+                       for (i=0; a->a_nvals[i].bv_val; i++) {
+                               siz += sizeof(struct berval);
+                               len += a->a_nvals[i].bv_len + 1;
+                               len += entry_lenlen(a->a_nvals[i].bv_len);
+                       }
+                       len += entry_lenlen(i); /* i nvals */
+                       siz += sizeof(struct berval);
+               } else {
+                       len += entry_lenlen(0); /* 0 nvals */
+               }
+       }
+       len += 1;       /* NUL byte at end */
+       len += entry_lenlen(siz);
+       *psiz = siz;
+       *plen = len;
+}
+
 /* Flatten an Entry into a buffer. The buffer is filled with just the
  * strings/bervals of all the entry components. Each field is preceded
  * by its length, encoded the way ber_put_len works. Every field is NUL
@@ -495,24 +586,9 @@ int entry_encode(Entry *e, struct berval *bv)
 #endif
        dnlen = e->e_name.bv_len;
        ndnlen = e->e_nname.bv_len;
-       len = dnlen + ndnlen + 2;       /* two trailing NUL bytes */
-       len += entry_lenlen(dnlen);
-       len += entry_lenlen(ndnlen);
-       for (a=e->e_attrs; a; a=a->a_next) {
-               /* For AttributeDesc, we only store the attr name */
-               siz += sizeof(Attribute);
-               len += a->a_desc->ad_cname.bv_len+1;
-               len += entry_lenlen(a->a_desc->ad_cname.bv_len);
-               for (i=0; a->a_vals[i].bv_val; i++) {
-                       siz += sizeof(struct berval);
-                       len += a->a_vals[i].bv_len + 1;
-                       len += entry_lenlen(a->a_vals[i].bv_len);
-               }
-               len += entry_lenlen(i);
-               siz += sizeof(struct berval);   /* empty berval at end */
-       }
-       len += 1;       /* NUL byte at end */
-       len += entry_lenlen(siz);
+
+       entry_flatsize( e, &siz, &len, 1 );
+
        bv->bv_len = len;
        bv->bv_val = ch_malloc(len);
        ptr = (unsigned char *)bv->bv_val;
@@ -537,11 +613,23 @@ int entry_encode(Entry *e, struct berval *bv)
                    entry_putlen(&ptr, i);
                    for (i=0; a->a_vals[i].bv_val; i++) {
                        entry_putlen(&ptr, a->a_vals[i].bv_len);
-                       memcpy(ptr, a->a_vals[i].bv_val,
+                       AC_MEMCPY(ptr, a->a_vals[i].bv_val,
                                a->a_vals[i].bv_len);
                        ptr += a->a_vals[i].bv_len;
                        *ptr++ = '\0';
                    }
+                   if (a->a_nvals != a->a_vals) {
+                       entry_putlen(&ptr, i);
+                       for (i=0; a->a_nvals[i].bv_val; i++) {
+                           entry_putlen(&ptr, a->a_nvals[i].bv_len);
+                           AC_MEMCPY(ptr, a->a_nvals[i].bv_val,
+                               a->a_nvals[i].bv_len);
+                           ptr += a->a_nvals[i].bv_len;
+                           *ptr++ = '\0';
+                       }
+                   } else {
+                       entry_putlen(&ptr, 0);
+                   }
                }
        }
        *ptr = '\0';
@@ -550,7 +638,7 @@ int entry_encode(Entry *e, struct berval *bv)
 
 /* Retrieve an Entry that was stored using entry_encode above.
  * We malloc a single block with the size stored above for the Entry
- * and all if its Attributes. We also must lookup the stored
+ * and all of its Attributes. We also must lookup the stored
  * attribute names to get AttributeDescriptions. To detect if the
  * attributes of an Entry are later modified, we note that e->e_attr
  * is always a constant offset from (e).
@@ -561,7 +649,7 @@ int entry_encode(Entry *e, struct berval *bv)
  */
 int entry_decode(struct berval *bv, Entry **e)
 {
-       int i, j;
+       int i, j, count;
        int rc;
        Attribute *a;
        Entry *x;
@@ -571,13 +659,23 @@ int entry_decode(struct berval *bv, Entry **e)
        BerVarray bptr;
 
        i = entry_getlen(&ptr);
+       if (!i) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( OPERATION, INFO, 
+                       "entry_decode: entry length was zero\n", 0, 0, 0);
+#else
+               Debug( LDAP_DEBUG_ANY,
+                       "entry_decode: entry length was zero\n", 0, 0, 0);
+#endif
+               return LDAP_OTHER;
+       }
        x = ch_calloc(1, i);
        i = entry_getlen(&ptr);
-       x->e_name.bv_val = ptr;
+       x->e_name.bv_val = (char *) ptr;
        x->e_name.bv_len = i;
        ptr += i+1;
        i = entry_getlen(&ptr);
-       x->e_nname.bv_val = ptr;
+       x->e_nname.bv_val = (char *) ptr;
        x->e_nname.bv_len = i;
        ptr += i+1;
 #ifdef NEW_LOGGING
@@ -599,7 +697,7 @@ int entry_decode(struct berval *bv, Entry **e)
        while ((i = entry_getlen(&ptr))) {
                struct berval bv;
                bv.bv_len = i;
-               bv.bv_val = ptr;
+               bv.bv_val = (char *) ptr;
                if (a) {
                        a->a_next = (Attribute *)bptr;
                }
@@ -634,7 +732,7 @@ int entry_decode(struct berval *bv, Entry **e)
                bptr = (BerVarray)(a+1);
                a->a_vals = bptr;
                a->a_flags = 0;
-               j = entry_getlen(&ptr);
+               count = j = entry_getlen(&ptr);
 
                while (j) {
                        i = entry_getlen(&ptr);
@@ -647,9 +745,27 @@ int entry_decode(struct berval *bv, Entry **e)
                bptr->bv_val = NULL;
                bptr->bv_len = 0;
                bptr++;
+
+               j = entry_getlen(&ptr);
+               if (j) {
+                       a->a_nvals = bptr;
+                       while (j) {
+                               i = entry_getlen(&ptr);
+                               bptr->bv_len = i;
+                               bptr->bv_val = (char *)ptr;
+                               ptr += i+1;
+                               bptr++;
+                               j--;
+                       }
+                       bptr->bv_val = NULL;
+                       bptr->bv_len = 0;
+                       bptr++;
+               } else {
+                       a->a_nvals = a->a_vals;
+               }
        }
-       if (a)
-               a->a_next = NULL;
+
+       if (a) a->a_next = NULL;
 #ifdef NEW_LOGGING
        LDAP_LOG( OPERATION, DETAIL1, "entry_decode:  %s\n", x->e_dn, 0, 0 );
 #else
@@ -659,4 +775,22 @@ int entry_decode(struct berval *bv, Entry **e)
        *e = x;
        return 0;
 }
-#endif
+
+Entry *entry_dup( Entry *e )
+{
+       Entry *ret;
+
+       ret = (Entry *)ch_calloc( 1, sizeof(*ret) );
+
+       ret->e_id = e->e_id;
+       ber_dupbv( &ret->e_name, &e->e_name );
+       ber_dupbv( &ret->e_nname, &e->e_nname );
+       ret->e_attrs = attrs_dup( e->e_attrs );
+       ret->e_ocflags = e->e_ocflags;
+       ret->e_bv.bv_val = NULL;
+       ret->e_bv.bv_len = 0;
+       ret->e_private = NULL;
+
+       return ret;
+}
+